#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	/*int a = 0;
	int b = 0;
	scanf("%d", &a);
	if (a > 5)
		b = 3;
	else
		b = -3;
	printf("%d", b);*/
	int a = 0;
	int b = 0;
	scanf("%d", &a);
	b = a > 5 ? 3 : -3;
	printf("%d", b);
	return 0;
}
